<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="./src/vue.js"></script>

</head>
<body>

<div id="app">
    <!-- 使用了 v-model 再写 value checked selected 无效-->
    <input v-model="content"> <br><br>
    <textarea v-model="content"></textarea>
    <div>你输入了: {{content}}</div>
</div>


<script>
    new Vue({
        el: '#app',
        data: {
            content: '这是内容'
        }
    })
</script>




</body>
</html>